4
4 Ratings
Summary
Dr. John Oppenheimer is an internal medicine physician who earned his medical degree from Tulane University School of Medicine. He completed his residency at NYU Downtown Hospital and brings 45 years of experience to his practice. Dr. Oppenheimer is fluent in both English and Spanish.
Dr. Oppenheimer is affiliated with Stony Brook Southampton Hospital and practices in Sag Harbor, NY. His expertise includes treating chronic kidney disease and breathing problems. He performs creatinine clearance tests and complete blood count testing to help diagnose and monitor various health conditions. Patients have given him an average rating of 4.0.
Dr. Oppenheimer is affiliated with Stony Brook Southampton Hospital and practices in Sag Harbor, NY. His expertise includes treating chronic kidney disease and breathing problems. He performs creatinine clearance tests and complete blood count testing to help diagnose and monitor various health conditions. Patients have given him an average rating of 4.0.
Overview based on verified provider data
Quick Facts
- 45 years of experience
- 16 insurance plans accepted
- speaks English, Spanish
- Nyu Downtown Hospital
- 1 specialty
- 8 areas of expertise
- 1 board certification
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Oppenheimer John K Office
60 Bay StSag Harbor, NY 11963 Tel: (631) 725-4600
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. John Kevin Oppenheimer, MD | Dr. Eric Yoon, MD | Dr. Arthur Yunov, MD | Natalie Howard, MSN, DNP |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 45 Years of Experience | 34 Years of Experience | 6 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | Speaks English |
| Sag Harbor , NY | New York , NY | Brooklyn , NY | New York City , NY |
| Med School: Tulane University School Of Medicine | Med School: State University of New York | Med School: ANDIZHAN STATE MEDICAL INSTITUTE | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Kevin Oppenheimer
Medical Specialties
Dr. John Kevin Oppenheimer has the following specialty
Specialty Expertise
Dr. John Kevin Oppenheimer has the following 8 areas of expertise
Certifications, License, & Education
45 Years Experience
Dr. John Kevin Oppenheimer holds an active medical license in the state of New York.
Medical License
Medical Doctor with an active medical license in the state of New York that expires in 2026.
Education & Training
Residency
Completed their residency at Nyu Downtown Hospital.
Medical School
Graduated from Tulane University School Of Medicine in 1981.
NPI Number
Dr. Oppenheimer's NPI number is 1659364214.
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Frequently Asked Questions
- Where is Dr. John Oppenheimer's office located?
- Dr. John Oppenheimer's office is located at 60 Bay St, Sag Harbor, NY, 11963.
- Is Dr. John Oppenheimer accepting new patients?
- Dr. John Oppenheimer has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. John Oppenheimer accept virtual/telehealth appointments?
- Dr. John Oppenheimer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. John Oppenheimer accept my insurance?
- You can see the insurance plans that Dr. John Oppenheimer accepts on their Vitals profile.
- What languages does Dr. John Oppenheimer speak?
- Dr. John Oppenheimer speaks English and Spanish.
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